PROVING THEOREM 8.2 Use the plan below to write a paragraph proof of the Polygon

Chapter 8, Problem 8.1.35

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PROVING THEOREM 8.2 Use the plan below to write a paragraph proof of the Polygon Exterior Angles Theorem. Plan for Proof In a convex n-gon, the sum of the measures of an interior angle and an adjacent exterior angle at any vertex is 1808. Multiply by n to get the sum of all such sums at each vertex. Then subtract the sum of the interior angles derived by using the Polygon Interior Angles Theorem.

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